Shiroyuki (史郎雪 , literally meaning „white snow“) is a young restless traveler and the actually holder of the sword-shingu First Sin: Ketsuekiame. Accompanied by her older brother Yu, she is travelling around in the whole empire. She has a second personality, which is named Akatsuki and has a bloodthirsty character.
Shiroyuki has an very pale skin, which is caused by her albinism. She has long snowwhite colored hair and red eyes, which are caused on it, too. She is a loud and mostly merry sort of person, who is sociable in almost every situation. Her Appearance ist some sort of clumsy, but she can act also skillfully.
In the personality of Akatsuki her appearance is composed, more skillfully and not clumsy anymore.